@import url(../../commen.css);
@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,300italic,300,400italic,600);
body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #000;
}

canvas {
    position: absolute;
    top: 50%;
    left: 50%;
}

.btn {
    font-family: 'Open Sans', sans-serif;
    font-weight: 300;
    margin: 0 auto;
    padding: 0.3rem;
    cursor: pointer;
    background: none;
    border: 1px solid #fff;
    color: #fff;
    font-size: 18px;
    position: absolute;
    left: 45%;
    z-index: 999;
    bottom: 10px;
}